10121310121023 has 24 divisors (see below), whose sum is σ = 14904069953760. Its totient is φ = 6616424917440.

The previous prime is 10121310121003. The next prime is 10121310121033. The reversal of 10121310121023 is 32012101312101.

10121310121023 is a `hidden beast` number, since 1 + 0 + 121 + 310 + 1 + 210 + 23 = 666.

It is not a de Polignac number, because 10121310121023 - 2⁶ = 10121310120959 is a prime.

It is a super-2 number, since 2×10121310121023² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 10121310120987 and 10121310121005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10121310121003) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5263363 + ... + 6924276.

It is an arithmetic number, because the mean of its divisors is an integer number (621002914740).

Almost surely, 2^{10121310121023} is an apocalyptic number.

10121310121023 is a deficient number, since it is larger than the sum of its proper divisors (4782759832737).

10121310121023 is a wasteful number, since it uses less digits than its factorization.

10121310121023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12189439 (or 12189436 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 18.

Adding to 10121310121023 its reverse (32012101312101), we get a palindrome (42133411433124).

The spelling of 10121310121023 in words is "ten trillion, one hundred twenty-one billion, three hundred ten million, one hundred twenty-one thousand, twenty-three".